Top Alternatives to System Ninja

CCleaner is one of the most popular windows disk and registry cleaning utility. It scans the system for unwanted file and folders and removes it with a single click.

Glary Utilities is a comprehensive system cleaner and performance booster.

BleachBit quickly frees disk space and tirelessly guards your privacy.

AVG TuneUp is a free Windows utility designed to clean up junk files on your PC and possibly increase system performance.

Clean Master (Cleaner) is an app that will keep your Android device always tidy and performing well.

Auslogics BoostSpeed is a software application presented as a bundle of software utilities intended to speed up, optimize and clean the user's computer, fix registry errors, improve Internet performance, remove unneeded files and entries, and defragment the disks and the registry.

Advanced SystemCare Free is a popular system cleaner and optimizer.

Wise Care 365 is a PC performance enhancement application, which consists of five key elements PC Checkup, System Cleaner, System Tune-up, etc.

Wise Disk Cleaner helps you claw back misused space on your hard drive by easily removing all sorts of redundant junk files, quickly.

System Mechanic is a software designed to repair, optimize, and protect Windows PCs.

Click&Clean is a free, fast and easy-to-use extension for Chrome that can be used as a powerful private data Cleaner.

SlimCleaner is a lightweight utility for removing all kinds of junk and broken files from your computer to help improve overall performance.

SD Maid will help you keep your device clean. It offers a collection of tools to manage apps and files.

Comodo System Utilities is a collectio of system utilities.

Stellar SpeedUp Mac is a set of utilities to deliver high-end performance on Mac OS X.

Yamicsoft Windows Manager helps you make your system perform faster, eliminate system fault, increase stability and security, and personalize your copy of Windows.

FCorp Cleaner++ is a lightweight application designed for cleaning unused registry entries and uninstalling unused programs.

PrivaZer automatically recognizes your storage device type and adapts its overwriting algorithms to the storage medium.

Ashampoo WinOptimizer is a system tweaking utility.

Toolwiz Care is a free toolkit designed to speed up slow PC.

TweakNow PowerPack is a suite of PC registry cleaner utilities that let you tweak every aspect of your Windows 7, Vista or XP operating system and browser.

jv16 PowerTools a utility software suite for the Microsoft Windows operating system designed to help analyze, optimize and maintain the computer.

WinUtilities is a multi-functional system performance and optimization suite for Windows.

Reg Organizer is a set of efficient tools to tweak, optimize, and clean Windows, designed to effortlessly free up system resources and rev performance to the max.